/*
===========================================================================
This source file is part of DyLab (Dynamic Laboratory)
For the latest info, see http://dylab.googlecode.com

Copyright (c) 2006-2008 Lukas Krejci
(krejci.lukas@volny.cz)

This file is part of DyLab.

    DyLab is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    DyLab is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with DyLab.  If not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/

#ifndef __dylab_WavefrontObjFormat_h__
#define __dylab_WavefrontObjFormat_h__

//===========================================================================================
#include <dylab/utils/String.h>

//===========================================================================================
namespace dylab {

    /** 
     */    
    class DYLAB_EXPORT WavefrontObjFormat
    {
    public:
        //-----------------------------------------------------------------------------
        /// interface definning methods for loaded data consumers
        class DYLAB_EXPORT IDataConsumer
        {
        public:
            ///
            virtual void onCreateVertex(const Vector3 & _v) = 0;
            ///
            virtual void onSetVertexNormal(uint32_t _index, const Vector3 & _n) = 0;
            ///
            virtual void onSetVertexTexture(uint32_t _index, real_t _u, real_t _v = DYLAB_R(0), real_t _w = DYLAB_R(0)) = 0;
            ///
            virtual void onCreateFace(uint32_t _v1, uint32_t _v2, uint32_t _v3) = 0;
        };
        //-----------------------------------------------------------------------------
    private:
        ///
        IDataConsumer * mDataConsumer;
    public:

        /**
        */
        WavefrontObjFormat(IDataConsumer * _dataConsumer);

        /**
        */
        virtual ~WavefrontObjFormat();

        /**
        */
        void parseFile(const String & _fileName);
    };
}

//===========================================================================================
#endif // __dylab_WavefrontObjFormat_h__
